TY  - JOUR
AU  - Kubáček, Zbyněk
AU  - Rudolf, Boris
TI  - On the number of periodic solutions of a generalized pendulum equation
JO  - Archivum mathematicum
PY  - 2005
SP  - 197
EP  - 208
VL  - 41
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ARM_2005__41_2_a8/
LA  - en
ID  - ARM_2005__41_2_a8
ER  -